| 单词 | sidewinder | 
| 释义 | Word Frequency sidewinder(ˈsaɪdˌwaɪndə) noun 1.  a North American rattlesnake, Crotalus cerastes, that moves forwards by a sideways looping motion 2.  boxing, US a heavy swinging blow from the side 3.  a US air-to-air missile using infrared homing aids in seeking its target  | 
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